/Engine/Source/Runtime/GeometryCore/Public/Spatial/MeshAABBTree3.h
BEarlyStop causes the traversal to stop as soon as any triangle closer than NearestDistSqr is found
true if an early stop triangle was found
template<bool bEarlyStop> bool find_nearest_tri ( int IBox, const FVector3d & P, double & NearestDistSqr, int & TID, const [FQueryOptions](API\Runtime\GeometryCore\Spatial\IMeshSpatial\FQueryOptions) & Options ) const